Handlebar



FIG. 1 is a front left perspective view of a handlebar.

FIG. 2 is an elevation view of the left side of the handlebar illustrated in FIG. 1.

FIG. 3 is an elevation view of the right side of the handlebar illustrated in FIG. 1.

FIG. 4 is a rear elevation view of the handlebar illustrated in FIG. 1.

FIG. 5 is a front elevation view of the handlebar illustrated in FIG. 1.

FIG. 6 is a top plan view of the handlebar illustrated in FIG. 1; and,

FIG. 7 is a bottom plan view of the handlebar illustrated in FIG. 1.

The broken lines illustrate portions of the handlebar that form no part of the claimed design. 

I claim the ornamental design for a handlebar, as shown and described. 